Top-level domain

.co

Delegated in the DNS root zone

Overview

Type
Country-code TLD
Name servers
4 in the root zonea.registrydns.cob.registrydns.coc.registrydns.cod.registrydns.co
DNSSEC
Signed: DS in the root zone, RSASHA256 (8)
Root zone serial
2026102601

Sources

Delegation and type come from the IANA TLD list; name servers and DNSSEC from the root zone file; the RDAP server from the IANA RDAP bootstrap. Fields without data are left out. Refreshed daily (iana-tlds 2026-10-26, root-zone 2026-10-26). All TLDs · Sources

GET /api/v2/tld/co